Home / 10,258.79-14,157.23-5,782.53

Finding the Fourth Proportional to 10,258.79, 14,157.23 and 5,782.53

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Solution

The fourth proportional to 10,258.79, 14,157.23 and 5,782.53 is: 7,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.79 : 14,157.23 = 5,782.53 : x
  2. Step 2: Convert to fraction form
    10,258.79/14,157.23 = 5,782.53/x
  3. Step 3: Cross multiply
    10,258.79x = 14,157.23 × 5,782.53
  4. Step 4: Simplify right side
    10,258.79x = 81,864,578.28
  5. Step 5: Solve for x
    x = 81,864,578.28/10,258.79
  6. Step 6: Final answer
    x = 7,979.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.